docs: def get_terminal_size():
      """ getTerminalSize()
       - get width and height of console
       - works on linux,os x,windows,cygwin(windows)
       originally retrieved from:
       http://stackoverflow.com/questions/566746/how-to-get-console-window-width-in-python
      """
      current_os = platform.system()
      tuple_xy = None
      if current_os == 'Windows':
          tuple_xy = _get_terminal_size_windows()
          if tuple_xy is None:
              tuple_xy = _get_terminal_size_tput()
              # needed for window's python in cygwin's xterm!
      if current_os in ['Linux', 'Darwin'] or current_os.startswith('CYGWIN'):
          tuple_xy = _get_terminal_size_linux()
      if tuple_xy is None:
          tuple_xy = (80, 25)      # default value
      return tuple_xy